/*-
 * ============LICENSE_START=======================================================
 * ONAP CLAMP
 * ================================================================================
 * Copyright (C) 2019 AT&T Intellectual Property. All rights
 *                             reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END============================================
 * ===================================================================
 *
 */
import React from 'react';
import { shallow } from 'enzyme';
import { mount } from 'enzyme';
import { render } from 'enzyme';
import ManageDictionaries from './ManageDictionaries';
import TemplateMenuService from '../../../api/TemplateService'

const TestDictionaryElements = {
    name: "test",
    secondLevelDictionary: 0,
    subDictionaryType: "", 
    dictionaryElements: [
      {
        shortName: "alertType",
        name: "Alert Type",
        description: "Type of Alert",
        type: "string",
        subDictionary: "", 
        createdDate: "2020-06-12T13:58:51.443931Z",
        updatedDate: "2020-06-13T16:27:57.084870Z",
        updatedBy: "admin",
        createdBy: "admin"
      }
    ]
};

const TestDictionaries =
[
  {
    name: "test",
    secondLevelDictionary: 0,
    subDictionaryType: "string",
    dictionaryElements: [ TestDictionaryElements ],
    createdDate: "2020-06-14T21:00:33.231166Z",
    updatedDate: "2020-06-14T21:00:33.231166Z",
    updatedBy: "admin",
    createdBy: "admin"
  },
  {
    name: "testSub1",
    secondLevelDictionary: 1,
    subDictionaryType: "string",
    dictionaryElements: [
      {
        shortName: "subElem",
        name: "Sub Element",
        description: "Sub Element Description",
        type: "string",
        createdDate: "2020-06-14T21:04:44.402287Z",
        updatedDate: "2020-06-14T21:04:44.402287Z",
        updatedBy: "admin",
        createdBy: "admin"
      }
    ],
    createdDate: "2020-06-14T21:01:16.390250Z",
    updatedDate: "2020-06-14T21:01:16.390250Z",
    updatedBy: "admin",
    createdBy: "admin"
  }
];


const historyMock = { push: jest.fn() };

let errorMessage = '';

window.alert = jest.fn().mockImplementation((mesg) => { errorMessage = mesg ; return });

TemplateMenuService.getDictionary = jest.fn().mockImplementation(() => {
	return Promise.resolve(TestDictionaries);
});

TemplateMenuService.insDictionary = jest.fn().mockImplementation(() => {
	return Promise.resolve({ ok: true, status: 200 });
});

TemplateMenuService.deleteDictionary = jest.fn().mockImplementation(() => {
	return Promise.resolve("200");
});

TemplateMenuService.getDictionaryElements = jest.fn().mockImplementation(() => {
	return Promise.resolve(TestDictionaryElements);
});

TemplateMenuService.deleteDictionaryElements = jest.fn().mockImplementation(() => {
	return Promise.resolve("200");
});

TemplateMenuService.insDictionaryElements = jest.fn().mockImplementation(() => {
	return Promise.resolve("200");
});


describe('Verify ManageDictionaries', () => {

	beforeEach(() => {
		fetch.resetMocks();
	});

	it('Test API Successful', () => {
		fetch.mockImplementationOnce(() => {
			return Promise.resolve({
				ok: true,
				status: 200,
				json: () => {
					return Promise.resolve({
						"name": "vtest",
						"secondLevelDictionary": 1,
						"subDictionaryType": "string",
						"updatedBy": "test",
						"updatedDate": "05-07-2019 19:09:42"
					});
				}
			});
		});
		const component = shallow(<ManageDictionaries />);
		expect(component).toMatchSnapshot();
	});

	it('Test API Exception', () => {
		fetch.mockImplementationOnce(() => {
			return Promise.resolve({
				ok: false,
				status: 500,
				json: () => {
					return Promise.resolve({
						"name": "vtest",
						"secondLevelDictionary": 1,
						"subDictionaryType": "string",
						"updatedBy": "test",
						"updatedDate": "05-07-2019 19:09:42"
					});
				}
			});
		});
		const component = shallow(<ManageDictionaries />);
	});

	it('Test Table icons', () => {

		const component = mount(<ManageDictionaries />);
		expect(component.find('[className="MuiSelect-icon MuiTablePagination-selectIcon"]')).toBeTruthy();
	});

	test('Test add/replace and delete dictionary requests', async () => {

		const component = shallow(<ManageDictionaries history={historyMock}/>)
		const instance = component.instance();

		const flushPromises = () => new Promise(setImmediate);

		instance.addReplaceDictionaryRequest({name: "newdict", secondLevelDictionary: 0, subDictionaryType: "string"});
		instance.deleteDictionaryRequest("test");

		await flushPromises();

		expect(component.state('currentSelectedDictionary')).toEqual(null);
		expect(component.state('dictionaries')).toEqual(TestDictionaries);
	});

	test('Test update dictionary row', async () => {

		const component = shallow(<ManageDictionaries history={historyMock}/>)
		const instance = component.instance();
		const rowData = { name: "newdict", secondLevelDictionary: 0, subDictionaryType: "string" };

		await expect(instance.updateDictionaryRow(rowData, rowData)).resolves.toEqual(undefined);

	}, 2000);

	test('Test add dictionary row', async () => {

		const addReplaceRequest = jest.spyOn(ManageDictionaries.prototype,'addReplaceDictionaryRequest');
		const component = shallow(<ManageDictionaries />)
		const instance = component.instance();
		const rowData = { name: "newdict", secondLevelDictionary: 0, subDictionaryType: "string" };

		await instance.addDictionaryRow(rowData);
                expect(addReplaceRequest).toHaveBeenCalledWith(rowData);

	}, 2000);

	test('Test add dictionary row with errors name already exists', async () => {

		const component = shallow(<ManageDictionaries />)
		const instance = component.instance();
		let  rowData = { name: "test", secondLevelDictionary: 0, subDictionaryType: "" };

		await expect(instance.addDictionaryRow(rowData)).rejects.toEqual(undefined);

	}, 2000);

	test('Test add dictionary row with errors illegal chars in name', async () => {

		const component = shallow(<ManageDictionaries />)
		const instance = component.instance();
		let  rowData = { name: "test@@", secondLevelDictionary: 0, subDictionaryType: "" };

		await expect(instance.addDictionaryRow(rowData)).rejects.toEqual(undefined);

	}, 2000);

	test('Test update dictionary row with errors illegal chars in name', async () => {

		const component = shallow(<ManageDictionaries />)
		const instance = component.instance();
		let  rowData = { name: "test@@", secondLevelDictionary: 0, subDictionaryType: "" };

		await expect(instance.updateDictionaryRow(rowData)).rejects.toEqual(undefined);
	});


	test('Test add dictionary row with errors (illegal chars)', async () => {

		const addReplaceRequest = jest.spyOn(ManageDictionaries.prototype,'addReplaceDictionaryRequest');
		const component = shallow(<ManageDictionaries />)
		const instance = component.instance();
		let  rowData = { name: "test@@", secondLevelDictionary: 0, subDictionaryType: "" };

		await expect(instance.addDictionaryRow(rowData)).rejects.toEqual(undefined);

	}, 2000);


	test('Test delete dictionary row', async () => {

		const deleteRequest = jest.spyOn(ManageDictionaries.prototype,'deleteDictionaryRequest');
		const component = shallow(<ManageDictionaries />)
		const instance = component.instance();
		const rowData = { name: "newdict", secondLevelDictionary: 0, subDictionaryType: "string" };

		await instance.deleteDictionaryRow(rowData);
                expect(deleteRequest).toHaveBeenCalledWith("newdict");

	}, 2000);

	test('Test handle select dictionary row click', async () => {

		const component = shallow(<ManageDictionaries />)
		const instance = component.instance();
		const rowData = { name: "newdict", secondLevelDictionary: 0, subDictionaryType: "string" };

		instance.handleDictionaryRowClick("event", rowData);
		expect(component.state('currentSelectedDictionary')).toEqual("newdict");
	}, 2000);

	test('Test dictionary element row add, update, delete', async () => {

		const rowData = {
			createdBy: "admin",
			createdDate: "2020-06-15T13:59:20.467381Z",
			description: "Description",
			name: "Some Elem",
			shortName: "someElem",
			type: "string",
			updatedBy: "admin",
			updatedDate: "2020-06-15T13:59:20.467381Z"
		};

		const component = shallow(<ManageDictionaries/>)
		const instance = component.instance();

		const badRowData = {
			description: "Description",
			name: "Some Elem",
			shortName: "someElem",
			type: "string"
		};

                await instance.clickHandler();
                await instance.getDictionaryElements("test");

		await expect(instance.addDictionaryElementRow(rowData)).resolves.toEqual(undefined);
		await expect(instance.updateDictionaryElementRow(rowData, rowData)).resolves.toEqual(undefined);
		await expect(instance.deleteDictionaryElementRow(rowData)).resolves.toEqual(undefined);
	});

	test('Test dictionary element row add with errors', async () => {

		const badRowData = {
			description: "",
			name: "",
			shortName: "some#Elem",
			type: ""
		};

		const component = shallow(<ManageDictionaries/>)
		const instance = component.instance();

		await expect(instance.addDictionaryElementRow(badRowData)).rejects.toEqual("");
	});

	test('Test dictionary element update with error illegal name', async () => {

		const badRowData = {
			description: "",
			name: "test@@",
			shortName: "some#Elem",
			type: ""
		};

		const component = shallow(<ManageDictionaries/>)
		const instance = component.instance();

		await expect(instance.updateDictionaryElementRow(badRowData)).rejects.toEqual(undefined);
	});

	test('Test dictionary element addition with duplicate name error', async () => {

		const badRowData = {
			description: "description",
			name: "Alert Type",
			shortName: "alertType",
			type: "string"
		};

		const component = shallow(<ManageDictionaries/>)
		const instance = component.instance();

		component.setState({ currentSelectedDictionary: 'test' });

		await instance.getDictionaryElements();
		await expect(instance.addDictionaryElementRow(badRowData)).rejects.toEqual("");
	});

	test('Test dictionary element addition with empty name error', async () => {

		const badRowData = {
			description: "description",
			name: "Alert Type",
			shortName: "",
			type: "string"
		};

		const component = shallow(<ManageDictionaries/>)
		const instance = component.instance();

		component.setState({ currentSelectedDictionary: 'test' });

		await instance.getDictionaryElements();
		await expect(instance.addDictionaryElementRow(badRowData)).rejects.toEqual("");
	});


	it('Test Import CSV Sunny Day', async () => {

                TemplateMenuService.insDictionaryElements = jest.fn().mockImplementation(() => {
                        return Promise.resolve({ ok: true, status: 200 });
                });

                let rawCsvData = '"Element Short Name","Element Name","Element Description","Element Type","Sub-Dictionary"\n';
                rawCsvData += '"alertType","Alert Type","Alert Type Description","string","","admin","2020-06-11T13:56:14.927437Z"';

                let expectedResult = [
                                {
                                        description: "Alert Type Description",
                                        name: "Alert Type",
                                        shortName: "alertType",
                                        subDictionary: "",
                                        type: "string"
                                }
		];

		const updateDictionaryElementsRequest = jest.spyOn(ManageDictionaries.prototype,'updateDictionaryElementsRequest');

		const component = shallow(<ManageDictionaries />)
		const instance = component.instance();

		await expect(instance.importCsvData(rawCsvData)).toEqual('');
                expect(updateDictionaryElementsRequest).toHaveBeenCalledWith(expectedResult);
	});

	it('Test Import CSV Mandatory Field Check Errors', () => {

                let rawCsvData = '"Element Short Name","Element Name","Element Description","Element Type","Sub-Dictionary"\n';
                rawCsvData += '"","","","","","",""';

		// The empty values for all the fields in row 1 of the rawCsvData will trigger a bunch of errors.
		// Getting Enzyme to properly match them with embedded newlines turned out to be impossible
		// and maybe not desirable anyway; so our test for "success" here is simply that the
		// routine returns a non-empty error string.

		const component = shallow(<ManageDictionaries />)
		const instance = component.instance();
		expect(instance.importCsvData(rawCsvData)).not.toEqual('');
	});

	it('Test Import CSV Errors in Row Data', async () => {

                TemplateMenuService.insDictionaryElements = jest.fn().mockImplementation(() => {
                        return Promise.resolve({ ok: true, status: 200 });
                });

                let rawCsvData = '"Element Short Name","Element Name","Element Description","Element Type","Sub-Dictionary"\n';
                rawCsvData += '"alert@Type","Alert Type","Alert Type Description","strin","subby","admin","2020-06-11T13:56:14.927437Z"';

                let expectedResult = [
                                {
                                        description: "Alert Type Description",
                                        name: "Alert Type",
                                        shortName: "alertType",
                                        subDictionary: "",
                                        type: "string"
                                }
		];

		const updateDictionaryElementsRequest = jest.spyOn(ManageDictionaries.prototype,'updateDictionaryElementsRequest');

		const component = shallow(<ManageDictionaries />)
		const instance = component.instance();

		await expect(instance.importCsvData(rawCsvData)).not.toEqual('');
	});


	it('Test handleClose', () => {
		fetch.mockImplementationOnce(() => {
			return Promise.resolve({
				ok: true,
				status: 200,
				json: () => {
					return Promise.resolve({
						"name": "vtest",
						"secondLevelDictionary": 1,
						"subDictionaryType": "string",
						"updatedBy": "test",
						"updatedDate": "05-07-2019 19:09:42"
					});
				}
			});
		});
		const handleClose = jest.spyOn(ManageDictionaries.prototype,'handleClose');
		const component = shallow(<ManageDictionaries history={historyMock} />)
		component.find('[variant="secondary"]').prop('onClick')();
		expect(handleClose).toHaveBeenCalledTimes(1);
		expect(component.state('show')).toEqual(false);
		expect(historyMock.push.mock.calls[0]).toEqual([ '/']);
		handleClose.mockClear();
	});
});